1.2 Ordering Information
6
1.3 Warranty
EMKO Elektronik warrants that the equipment delivered is free from defects in material and
workmanship. This warranty is provided for a period of two years. The warranty period starts from
the delivery date. This warranty is in force if duty and responsibilities which are determined in
warranty document and instruction manual performs by the customer completely.
1.4 Maintenance
Repairs should only be performed by trained and specialized personnel. Cut power to the device
before accessing internal parts.
Do not clean the case with hydrocarbon-based solvents (Petrol, Trichlorethylene etc.). Use of
these solvents can reduce the mechanical reliability of the device. Use a cloth dampened in ethyl
alcohol or water to clean the external plastic case.
All order information of ERM-3770
Digital Tachometer are given on the table at
left. User may form appropriate device
configuration from information and codes
that at the table and convert it to the
ordering codes.
Firstly, supply voltage then other
specifications must be determined. Please
fill the order code blanks according to your
needs.
Please contact us, if your needs are
out of the standards.
V
Z
Vac,
Vdc can be applied.
Þ
Þ
c
Order Information
A BC D
E
FG HI
/
/
U
V
W
Z
/
/
0
00
0
0
0
ERM-3770
(77x35 DIN Size)
3
24 V
( %15) 50/60 Hz
V
±
4
115 V
( %15) 50/60 Hz
V
±
5
230 V
( %15) 50/60 Hz
V
±
Power Supply
A
1
Alarm Output
E
0
None
9
Customer
00
00
0
SSR Driver Output (Maximum 28mA,15V
)
Z
2
Relay Output (Resistive Load 5A@250V
, 1NO + 1NC)
V
2
24 V
( -%15 ; +%10) 50/60 Hz
W
